Index / Search / Forsythia suspensa
§1 Plant
Forsythia suspensa (Thunb.) Vahl
vernacular weeping forsythia — species · Oleaceae
§2Habit & range
Habit and range
- Growth habit
- Shrub
- Duration
- Perennial
- Group
- Dicot
- Family
- Oleaceae Hoffmanns. & Link
- Genus
- Forsythia
§2a
Native status, by region
- L48 Lower 48 States Introduced
§2b
County-level range
· 52 counties across 8 states/territories§3Cultivation specs · USDA
Recorded by the USDA Plant Materials Program.
§3a
Tolerances
- Drought
- Low
- Shade
- High
- Moisture use
- Medium
- Fire
- High
- Salinity
- None
- Anaerobic
- None
- CaCO₃
- Medium
- Hedging
- Medium
§3b
Climate & soil
- Cold tolerance
- -43 °F minimum
- Frost-free days
- 100 min.
- Precipitation
- 32–60 in/yr
- pH range
- 5–7.5
- Root depth
- 16 in min.
- Fertility need
- Medium
- Soil texture
- medium
§3c
Form & growth
- Growth form
- Multiple Stem
- Growth rate
- Rapid
- Lifespan
- Moderate
- Mature height
- 6 ft
- Height @ 20 y
- 6 ft
- Foliage texture
- Medium
- Foliage colour
- Green
- Porosity (summer)
- Dense
- Porosity (winter)
- Moderate
- Flower colour
- Yellow
- Fire resistant
- No
- N fixation
- None
- Toxicity
- None
§3d
Reproduction
- Bloom period
- Early Spring
- Spread rate
- None
- Stratify
- Yes
- Propagation
- cuttings, bare root, container
§3e
Use & availability
- Commercial availability
- Routinely Available
- Nursery stock
- Yes
- Browse palatability
- Low
- Graze palatability
- Low
- Palatable, human
- No
- Protein potential
- Low
- Lumber
- No
- Christmas tree
- No
§4Counties, by state
Recorded in 52 counties across 8 states/territories.
Kentucky view state ↗ 2 I ▾
Louisiana view state ↗ 11 I ▾
Massachusetts view state ↗ 3 I ▾
New York view state ↗ 1 I ▾
Pennsylvania view state ↗ 3 I ▾
Utah view state ↗ 29 I ▾
- Beaver 49001
- Box Elder 49003
- Cache 49005
- Carbon 49007
- Daggett 49009
- Davis 49011
- Duchesne 49013
- Emery 49015
- Garfield 49017
- Grand 49019
- Iron 49021
- Juab 49023
- Kane 49025
- Millard 49027
- Morgan 49029
- Piute 49031
- Rich 49033
- Salt Lake 49035
- San Juan 49037
- Sanpete 49039
- Sevier 49041
- Summit 49043
- Tooele 49045
- Uintah 49047
- Utah 49049
- Wasatch 49051
- Washington 49053
- Wayne 49055
- Weber 49057
Virginia view state ↗ 2 I ▾
Washington view state ↗ 1 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/FOSU ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/5415056 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T20:46:58Z